Supplementary information
From the following article:
Martian stepped-delta formation by rapid water release
Erin R. Kraal, Maurits van Dijk, George Postma & Maarten G. Kleinhans
Nature 451, 973-976(21 February 2008)
doi:10.1038/nature06615
Supplementary Information
The file contains Supplementary Equations, additional references and Supplementary Figure S1 with Legends.
Supplementary Data
The file contains Supplementary Data in a form of a spreadsheet for calculating time of stepped deltas. The spreadsheet can be modified to calculate the formation time of stepped deltas on Mars for different parameters.
Supplementary Movie 1
This file contains Supplementary Movie 1 with experimental formation of a stepped delta in a mock crater. The video shows the experimental run (24 minutes long) that form the fan in Figure 2. The flow begins and high concentration mass flows initiate. There are high rates of infiltration within the channel and the crater floor. At 8 minutes the local substrate is saturated and the water begins to pond in the far end of the crater. As the water level increases, the shorelines prograde up the fan surface, interacting with the depositing sediment to form terraces. The flow migrates in the channel, cutting banks, depositing bars, and incising through knickpoint migration, all of which causes pulses in the sediment discharge.
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